def FullyWrappedApp(appinfo_external, appengine_config):
"""Completely wraps a user's app per the given YAML file.
Should only be called once per process. Note that any file referenced in the
imports of appinfo_external should be written to disk at the corresponding
relative path.
Args:
appinfo_external: an AppInfoExternal for this app, usually (always?) parsed
from an app.yaml.
appengine_config: A VmAppengineEnvConfig object.
Returns:
A WSGI app, properly scaffolded for the GAE VM runtime.
"""
app = MetaWSGIApp(appinfo_external, appengine_config)
app = middlewares.RequestLoggingMiddleware(app)
app = middlewares.ErrorLoggingMiddleware(app)
app = middlewares.WsgiEnvSettingMiddleware(app, appinfo_external)
app = middlewares.FixServerEnvVarsMiddleware(app)
app = middlewares.OsEnvSetupMiddleware(app, appengine_config)
app = middlewares.RequestIdMiddleware(app)
app = middlewares.PatchLoggingMethods(app)
app = middlewares.LogFlushCounter(app)
app = middlewares.RequestQueueingMiddleware(app, appinfo_external)
app = middlewares.UseRequestSecurityTicketForApiMiddleware(app)
app = middlewares.CallbackMiddleware(app)
return app
def wrap_wsgi_app(app):
"""Wrap a WSGI app with middlewares required to access App Engine APIs."""
from google.appengine.ext.vmruntime import middlewares
from google.appengine.ext.vmruntime import vmstub
vmstub.Register(vmstub.VMStub())
app = middlewares.ErrorLoggingMiddleware(app)
app = middlewares.OsEnvSetupMiddleware(app)
class FakeAppinfoExternal:
"""As we don't have an app.yaml to parse, just assume threadsafe."""
threadsafe = True
app = middlewares.WsgiEnvSettingMiddleware(app, FakeAppinfoExternal)
app = middlewares.WaitForResponseMiddleware(app)
app = middlewares.UseRequestSecurityTicketForApiMiddleware(app)
app = middlewares.CallbackMiddleware(app)
app = middlewares.InitRequestEnvironMiddleware(app,
copy_gae_application=True)
return app